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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

An investigation into gene regulation involved in human gamma-globin gene reactivation induced by a lead compound.

January 2006 (has links)
Chan Kai Man. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 109-119). / Abstracts in English and Chinese. / Title --- p.i / Thesis committee --- p.ii / Statement --- p.iii / Acknowledgement --- p.iv / Abbreviations --- p.v / Abstract (English) --- p.vii / Abstract (Chinese) --- p.ix / Table of contents --- p.xi / List of Figures --- p.xvi / Chapter Chapter 1: --- General Introduction --- p.1 / Chapter 1.1 --- Human Hemoglobin --- p.1 / Chapter 1.2 --- Hemoglobinopathies --- p.4 / Chapter 1.3 --- Hereditary Persistence of Fetal Hemoglobin (HPFH) and β - Thalassemias --- p.6 / Chapter 1.4 --- Globin Genes Switching --- p.7 / Chapter 1.5 --- Pharmaceutical Agents for γ-Globin Gene Reactivation --- p.9 / Chapter 1.6 --- Discovery of LC978: A Novel Fetal Hemoglobin Inducing Agent --- p.10 / Chapter 1.7 --- Aim of Study --- p.11 / Chapter Chapter 2: --- Specific Induction of Gamma Globin Gene Transcription in K562 Leukemia Cell Line by Lead Compound LC978 --- p.12 / Chapter 2.1 --- K562 Cell Line as a Model for Gamma Globin Gene Induction Studies --- p.12 / Chapter 2.2 --- LC978-Induced Fetal Hemoglobin Expression in K562 Cell Line --- p.12 / Chapter 2.3 --- Materials --- p.14 / Chapter 2.3.1 --- "Chemicals, Kits and Reagents" --- p.14 / Chapter 2.3.2 --- Buffers and Solutions --- p.15 / Chapter 2.3.3 --- Cell Line --- p.16 / Chapter 2.3.4 --- Instruments and Equipments --- p.16 / Chapter 2.3.5 --- Enzymes --- p.16 / Chapter 2.3.6 --- Nucleic Acids --- p.17 / Chapter 2.3.7 --- Oligo Primers --- p.17 / Chapter 2.4 --- Methods --- p.17 / Chapter 2.4.1 --- In vitro Bioassay for Total Hemoglobin Production --- p.17 / Chapter (a) --- Preparation of Treatment Cell Culture Plates --- p.17 / Chapter (b) --- Treatment of K562 Cells by LC978 --- p.18 / Chapter (c) --- Signal Development --- p.18 / Chapter 2.4.2 --- Detection of Fetal Hemoglobin Production by HbF Sandwich ELISA --- p.18 / Chapter (a) --- Treatment of K562 Cells by LC978 --- p.18 / Chapter (b) --- Preparation of Capture Antibody-Coated and BSA-Blocked ELISA Plate --- p.19 / Chapter (c) --- Preparation of K562 Cell Lysates --- p.19 / Chapter (d) --- Antigen Capture and Signal Development --- p.19 / Chapter 2.4.3 --- Detection of Gamma Globin mRNA Level by Real-time RT-PCR --- p.20 / Chapter (a) --- Treatment of K562 Cells by LC978 --- p.20 / Chapter (b) --- Preparation of K562 Cell Lysate in Guanidium Thiocyanate (GT) Solution --- p.20 / Chapter (c) --- Isolation of Total RNA from LC978-treated K562 Cells --- p.21 / Chapter (d) --- cDNA Synthesis from mRNA by Reverse Transcriptase (RT) --- p.22 / Chapter (e) --- Real-Time Quantitative Polymerase Chain Reaction (PCR) --- p.23 / Chapter 2.5 --- Results --- p.24 / Chapter (a) --- In vitro Bioassay for Total Hemoglobin Production --- p.24 / Chapter (b) --- Fetal Hemoglobin Sandwich ELISA --- p.24 / Chapter (c) --- LC978-Induced Gamma Globin mRNA Accumulation --- p.25 / Chapter 2.6 --- Discussion --- p.31 / Chapter Chapter 3: --- Construction of Promoter-Reporter Plasmid Constructs --- p.33 / Chapter 3.1 --- The Human Gamma Globin Gene Promoter --- p.33 / Chapter 3.2 --- SEAP as a Reporter Gene for Promoter Deletion Study --- p.34 / Chapter 3.3 --- Materials --- p.35 / Chapter 3.3.1 --- "Chemicals, Kits and Reagents" --- p.35 / Chapter 3.3.2 --- Buffers and Solutions --- p.35 / Chapter 3.3.3 --- Bacterial Strain --- p.36 / Chapter 3.3.4 --- Cell Line --- p.36 / Chapter 3.3.5 --- Enzymes --- p.37 / Chapter 3.3.6 --- Nucleic Acids --- p.37 / Chapter 3.3.7 --- Oligo Primers --- p.37 / Chapter 3.4 --- Methods --- p.38 / Chapter 3.4.1 --- Molecular Cloning of A-Gamma Globin Gene Promoter and 3' Enhancer into pBlueScript II SK (-) --- p.38 / Chapter (a) --- Design and Synthesis of Oligo Primers --- p.38 / Chapter (b) --- Isolation of Genomic DNA from K562 Cells --- p.39 / Chapter (c) --- PCR Amplification of Gamma Globin Gene Promoter and 3' Enhancer --- p.40 / Chapter (d) --- Ligation of PCR Fragments into EcoR V-cut pBlueScript II SK (-) --- p.41 / Chapter (e) --- Preparation of E coli DH5a Competent Cells --- p.43 / Chapter (f) --- Heat-Shock Transformation of E. coli DH5a Competent Cells --- p.44 / Chapter (g) --- PCR Screening and Plasmid Purification of Putative pBlu2SKM-γAP and pBlu2SKM-γAE --- p.44 / Chapter (h) --- Isolation of Putative pBlu2SKM-γAP and pBlu2SKM-γAE Plasmid DNA --- p.45 / Chapter (j) --- Nucleotide Sequencing of Putative pBlu2SKM-yAP and pBlu2SKM-γAE --- p.47 / Chapter (j) --- Graphical Summary of Section 3.6.1 Sub-cloning Procedures --- p.49 / Chapter 3.4.2 --- Molecular Cloning of A-Gamma Globin Gene Promoter and 3' Enhancer into pSEAP2-Enhancer --- p.51 / Chapter (a) --- Sub-cloning of Promoter Fragment into pSEAP2-Enhancer --- p.51 / Chapter (b) --- Sub-cloning of 3' Enhancer Fragment into p 1224γAP-SEAP2 --- p.52 / Chapter (c) --- Graphical Summary of Section 3.6.2 Sub-cloning Procedures --- p.54 / Chapter 3.4.3 --- Construction of p 1224γAP-SEAP2-γAE Promoter Deletions Constructs --- p.56 / Chapter (a) --- Restriction Digestion at 5' End of A-Gamma Promoter Deletions --- p.56 / Chapter (b) --- Restriction Digestion at 3' Ends of A-Gamma Promoter Deletions --- p.56 / Chapter (c) --- Blunting 5'-overhangs and Self-Ligation of Linearized Plasmid Constructs --- p.57 / Chapter (d) --- Graphical Summary of Section 3.6.3 5,Deletions Procedures --- p.58 / Chapter 3.5 --- Results --- p.59 / Chapter (a) --- Nucleotide Sequence Confirmed by Cycle Sequencing --- p.60 / Chapter (b) --- "Resulting Plasmid Constructs p 1224γAP-SEAP2-yAE, p754yAP-SEAP2-yAE and p205yAP-SEAP2-γAE" --- p.64 / Chapter 3.6 --- Discussion --- p.67 / Chapter Chapter 4: --- Mapping of LC978-Responsive Elements on Human A-Gamma Globin Gene Promoter --- p.69 / Chapter 4.1 --- Introduction --- p.69 / Chapter 4.2 --- pSV-β-Galactosidase as a Transfection Normalization Standard --- p.69 / Chapter 4.3 --- pSV-β-Galactosidase as a Transfection Normalization Standard --- p.70 / Chapter 4.4 --- Materials --- p.72 / Chapter 4.4.1 --- "Chemicals, Kits and Reagents" --- p.72 / Chapter 4.4.2 --- Buffers and Solutions --- p.73 / Chapter 4.4.3 --- Cell Line --- p.74 / Chapter 4.4.4 --- Nucleic Acids --- p.74 / Chapter 4.4.5 --- Instruments and Equipments --- p.74 / Chapter 4.5 --- Methods --- p.74 / Chapter 4.5.1 --- Determination of Optimal Dose of Transfection Reagent for --- p.74 / Chapter (a) --- Sterilization of Plasmid DNA for Transfection --- p.74 / Chapter (b) --- Transient Transfection of K562 Cells by pEGFP-N 1 --- p.75 / Chapter (c) --- Examination of EGFP Expression Level --- p.76 / Chapter 4.5.2 --- β-Galactosidase as Normalization Standard for K562 Transfections --- p.76 / Chapter (a) --- Transient Transfection of K562 Cells by pSV-β-Gal --- p.76 / Chapter (b) --- Determination of β-Galactosidase Expression Level --- p.76 / Chapter 4.5.3 --- Mapping of LC978-Responsive Elements on Human Gamma Globin Gene Promoter --- p.77 / Chapter (a) --- Co-Transfection of K562 Cells by p1224/754/205γAP-SEAP2 -γAE and pSV-β-Gal --- p.77 / Chapter (b) --- Treatment of Co-Transfected K562 Cells by LC978 --- p.77 / Chapter (c) --- Determination of β-Galactosidase Expression Level --- p.78 / Chapter (d) --- Determination of Secreted Alkaline Phosphatase (SEAP) Expression Level --- p.78 / Chapter (e) --- Determination of Fetal Hemoglobin Expression Level --- p.79 / Chapter 4.5.4 --- Mapping of Hydroxyurea-Responsive Elements on Human Gammm Globin Gene Promoter --- p.80 / Chapter (a) --- Determination of Optimal Biological Dose (OBD) of Hydroxyurea --- p.80 / Chapter (b) --- Co-Transfection of K562 Cells and Subsequent Treatment by Hydroxyurea --- p.80 / Chapter (c) --- "Assay for β-Galactosidase (β-Gal), Secreted Alkaline Phosphatase (SEAP) and Fetal Hemoglobin (HbF) Expression Level" --- p.81 / Chapter 4.5.5 --- Sodium Butyrate-Induced SEAP Expression --- p.81 / Chapter (a) --- Determination of Optimal Biological Dose (OB(d) of Sodium Butyrate --- p.81 / Chapter (b) --- Co-Transfection of K562 Cells and Treatment by Sodium Butyrate --- p.82 / Chapter (c) --- "Assay for p-Galactosidase (β-Gal), Secreted Alkaline Phosphatase (SEAP) and Fetal Hemoglobin (HbF) Expression Level" --- p.83 / Chapter 4.5.6 --- Data Analysis --- p.83 / Chapter (a) --- "Data Processing, Normalization and Graphing" --- p.83 / Chapter (b) --- Statistical Analysis --- p.83 / Chapter 4.6 --- Results --- p.84 / Chapter 4.6.1 --- Optimal Dose of Transfection Reagent for K562 --- p.84 / Chapter 4.6.2 --- β-Galactosidase as Normalization Standard for K562 Transfections --- p.84 / Chapter 4.6.3 --- LC978 Induction on Co-Transfected K562 Cells --- p.84 / Chapter 4.6.4 --- Hydroxyurea Induction on Co-Transfected K562 Cells --- p.85 / Chapter 4.6.5 --- Sodium Butyrate Induction on Co-Transfected K562 Cells --- p.86 / Chapter 4.7 --- Discussion --- p.98 / Chapter 4.7.1 --- Theme Question to be Answered --- p.98 / Chapter 4.7.2 --- Optimal Dose of DMRIE-C Transfection Reagent on K562 Cell Line --- p.98 / Chapter 4.7.3 --- pSV-β-gal as an Internal Normalization Control --- p.99 / Chapter 4.7.4 --- Responsive Element Mapping --- p.99 / Chapter (a) --- LC978-Induced Response --- p.100 / Chapter (b) --- Hydroxyurea-Induced Response --- p.100 / Chapter (c) --- Sodium Butyrate-Induced Response --- p.101 / Chapter 4.7.5 --- LCR-Dependent Gamma Globin Gene Reactivation --- p.101 / Chapter 4.7.6 --- Induction of Gamma Globin by Histone Deacetylase Inhibitor --- p.104 / Chapter 4.7.7 --- Basal SEAP Expression Levels of the Promoter-Reporter Constructs --- p.105 / Chapter 4.7.8 --- Summary --- p.105 / Chapter Chapter 5: --- General Discussion --- p.106 / References Cited --- p.109
2

Molecular analyses of the mechanisms of cucurbitacin D (CuD)-induced human gamma-globin gene activation in K562 cells. / CUHK electronic theses & dissertations collection

January 2011 (has links)
Liu, Kan. / "November, 2010"--Abstract. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 116-129). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese.
3

Molecular mechanism of fetal hemoglobin induction by a lead compound isolated from TCM.

January 2006 (has links)
Choi Wai-wah. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2006. / Includes bibliographical references (leaves 120-138). / Abstracts in English and Chinese. / Statement --- p.i / Acknowledgements --- p.ii / Abstract --- p.iii / Abstract (Chinese Version) --- p.v / Table of Contents --- p.vii / List of Tables --- p.xii / List of Figures --- p.xiii / List of Abbreviations --- p.xv / Chapter Chapter 1 --- General Introduction / Chapter 1.1 --- "Hemoglobin ´ؤ Structures, Types and Functions" --- p.1 / Chapter 1.1.1 --- Structures of Hemoglobin --- p.1 / Chapter 1.1.2 --- Types of Hemoglobin --- p.2 / Chapter 1.1.3 --- Functions of Hemoglobin --- p.3 / Chapter 1.2 --- Human Globin Genes and Their Regulation --- p.5 / Chapter 1.2.1 --- Organization of the Human Globin Genes --- p.5 / Chapter 1.2.2 --- Regulation of Globin Gene Expression --- p.6 / Chapter 1.2.2.1 --- The Locus Control Region (LCR) --- p.6 / Chapter 1.2.2.2 --- Cis-Regulatory Elements --- p.7 / Chapter 1.2.2.2.1 --- Promoters --- p.7 / Chapter 1.2.2.2.2 --- Enhancers --- p.7 / Chapter 1.2.2.2.3 --- Silencers --- p.8 / Chapter 1.2.2.3 --- Trans-Acting Factors --- p.8 / Chapter 1.2.2.3.1 --- GATA Family --- p.9 / Chapter 1.2.2.3.2 --- Kruppel-like Factors --- p.9 / Chapter 1.2.2.3.3 --- Nuclear Factor-Erythroid (NF-E) --- p.9 / Chapter 1.2.2.4 --- Chromatin Remodelling --- p.10 / Chapter 1.2.2.5 --- Intergenic Sequences --- p.11 / Chapter 1.3 --- Mechanisms of Hemoglobin Switching --- p.12 / Chapter 1.3.1 --- Autonomous Silencing --- p.12 / Chapter 1.3.2 --- LCR and Globin Gene Interaction --- p.12 / Chapter 1.4 --- Hemoglobinopathies --- p.14 / Chapter 1.4.1 --- α -thalassemia --- p.14 / Chapter 1.4.2 --- β -thalassemia --- p.14 / Chapter 1.4.3 --- Sickle Cell Anemia --- p.16 / Chapter 1.5 --- Therapies for β-thalassemia --- p.16 / Chapter 1.5.1 --- Blood Transfusion --- p.16 / Chapter 1.5.2 --- Bone Marrow Transplantation --- p.17 / Chapter 1.5.3. --- Gene Therapy --- p.17 / Chapter 1.6 --- Gene Switch Therapy --- p.18 / Chapter "1.6,1" --- Pharmacological Induction of HbF --- p.18 / Chapter 1.6.1.1 --- Hydroxyurea --- p.19 / Chapter 1.6.1.2 --- Butyrate --- p.20 / Chapter 1.6.1.3 --- Summary --- p.21 / Chapter 1.7 --- Objectives --- p.22 / Chapter Chapter 2 --- Induction of HbF by LC978 in K562 / Chapter 2.1 --- Introduction --- p.23 / Chapter 2.2 --- Materials --- p.26 / Chapter 2.2.1 --- Chemicals and Reagents --- p.26 / Chapter 2.2.2 --- Kits --- p.27 / Chapter 2.2.3 --- Buffers and Solutions --- p.27 / Chapter 2.2.4 --- Primers --- p.30 / Chapter 2.2.5 --- Equipment and Other Consumables --- p.30 / Chapter 2.2.6 --- Maintenance of K562 --- p.31 / Chapter 2.2.7 --- Handling and Treatment of utilities for RNA isolation --- p.31 / Chapter 2.3 --- Methods --- p.32 / Chapter 2.3.1 --- Dose-response and time-response study of LC978 in K562 by TMB assay --- p.32 / Chapter 2.3.2 --- Detection of γ -Globin Gene Expression in LC978-induced K562 by RT-PCR --- p.33 / Chapter 2.3.3 --- Fetal Hemoglobin Analysis by Human Fetal Hemoglobin (HbF) ELISA Quantitation Kit --- p.36 / Chapter 2.3.4 --- Statistical Analysis --- p.38 / Chapter 2.4 --- Results --- p.39 / Chapter 2.4.1 --- Dose-response and time-response study of LC978 in K562 by TMB assay --- p.39 / Chapter 2.4.2 --- Detection of γ -Globin Gene Expression in LC978-induced K562 by RT-PCR --- p.45 / Chapter 2.4.3 --- Fetal Hemoglobin Analysis by Human Fetal Hemoglobin (HbF) ELISA Quantitation Kit --- p.48 / Chapter 2.5 --- Discussions --- p.51 / Chapter Chapter 3 --- Signal Transduction Pathways Modulated by LC978 / Chapter 3.1 --- Introduction --- p.54 / Chapter 3.2 --- Materials --- p.57 / Chapter 3.2.1 --- Chemicals and Reagents --- p.57 / Chapter 3.2.2 --- Kits --- p.57 / Chapter 3.2.3 --- Buffers and Solutions --- p.58 / Chapter 3.2.4 --- Primers --- p.59 / Chapter 3.2.5 --- Equipment and Other Consumables --- p.60 / Chapter 3.2.6 --- Maintenance of K562 --- p.60 / Chapter 3.2.7 --- Handling and Treatment of utilities for RNA isolation --- p.60 / Chapter 3.3 --- Methods --- p.61 / Chapter 3.3.1 --- Identification of Signaling Pathways by Microarray --- p.61 / Chapter 3.3.2 --- Real-time RT-PCR --- p.65 / Chapter 3.4 --- Results --- p.67 / Chapter 3.4.1 --- Identification of Signaling Pathways by Microarray --- p.67 / Chapter 3.4.2 --- Real-time RT-PCR --- p.74 / Chapter 3.5 --- Discussions --- p.80 / Chapter Chapter 4 --- MAPK pathways and HbF induction by LC978 / Chapter 4.1 --- Introduction --- p.84 / Chapter 4.2 --- Materials --- p.87 / Chapter 4.2.1 --- Chemicals and Reagents --- p.87 / Chapter 4.2.2 --- Kits --- p.88 / Chapter 4.2.3 --- Buffers and Solutions --- p.88 / Chapter 4.2.4 --- Equipment and Other Consumables --- p.90 / Chapter 4.2.5 --- Maintenance of K562 --- p.90 / Chapter 4.3 --- Methods --- p.91 / Chapter 4.3.1 --- "Roles of three MAPKs ´ؤ ERK, JNK and p38 in LC978-mediated γ -globin gene induction in K562 using CASE´ёØ Kits" --- p.91 / Chapter 4.3.2 --- Effect of p38 inhibitor SB203580 on HbF induction --- p.94 / Chapter 4.3.3 --- Statistical Analysis --- p.97 / Chapter 4.4 --- Results --- p.98 / Chapter 4.4.1 --- "Roles of three MAPKs - ERK, JNK and p38 in LC978-mediated γ -globin gene induction in K562 using CASETM Kits" --- p.98 / Chapter 4.4.2 --- Effect of p38 inhibitor SB203580 on HbF induction --- p.106 / Chapter 4.5 --- Discussions --- p.110 / Chapter Chapter 5 --- Summary and Prospects / Appendix / References

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